21421-0204 CVR 915

 
 
21h 42m 06.56s -02 04' 06.9" P.A. 2 sep 27.2 mag 17.60,19.40 Sp M2+M4
 
 
Coord 2000
21421-0204
Discov num
CVR 915
Comp
Coord arcsec 2000
21 42 06.56 -02 04 06.9
Date first
1998
Date last
2010
Obs
4
Pa first
2
Pa last
2
P.A. Now (θ)
Sep first
27.2
Sep last
27.2
Sep. Now (ρ)
27.2"
Mag pri
17.60
Mag sec
19.40
delta mag (ΔM)
1.8
Spectral class
M2+M4 (red/red)
Pri motion ra
-005
Sec motion ra
-009
Pri motion dec
-046
Sec motion dec
-045
Notes
V R (Proper motion indicates physical, Red magnitudes)
rPM=0.089 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
1.7
Precise sep
27.2
Cdsa2 id
CVR 915
Constellation
Aquarius
Ra deg
21.701822222222223
De deg
-2.0685833333333337
last precise pa
1.7
last precise sep
27.2
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21421-0204 CVR 915 2008 1 2 27.5 17.60 19.40 M2+M4 V R 214206.63-020339.5
21421-0204 CVR 915 2010 4 2 27.2 17.60 19.40 M2+M4 V R 214206.56-020406.9

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